The term SECURES TO A POST, AS A HORSE can be summarized as the act of tethering a horse to a post. Tethering is a common practice in which a horse is tied to a post or other stationary object with a rope or chain. This practice is used to keep the horse in one place and prevent it from wandering away. It is also used to provide the horse with access to food and water while allowing it to graze or rest.